This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
SDL_photon.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2009 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
21
22
23
24
QNX Photon GUI SDL driver
Copyright (C) 2009 Mike Gorchak
(mike@malva.ua, lestat@i.com.ua)
27
/* SDL internals */
28
#include "SDL_config.h"
29
30
31
#include "../SDL_sysvideo.h"
#include "SDL_version.h"
#include "SDL_syswm.h"
32
33
34
35
#include "SDL_loadso.h"
#include "SDL_events.h"
#include "../../events/SDL_mouse_c.h"
#include "../../events/SDL_keyboard_c.h"
37
/* Photon declarations */
38
39
#include "SDL_photon.h"
40
41
42
43
44
/* Pixel format conversion routines */
#include "SDL_photon_pixelfmt.h"
/* Use GF's pixel format functions for OpenGL ES context creation */
#if defined(SDL_VIDEO_OPENGL_ES)
45
#include "../qnxgf/SDL_gf_pixelfmt.h"
46
47
/* If GF driver is not compiled in, include some of usefull functions */
48
49
50
#if !defined(SDL_VIDEO_DRIVER_QNXGF)
#include "../qnxgf/SDL_gf_pixelfmt.c"
#endif /* SDL_VIDEO_DRIVER_QNXGF */
51
52
53
54
#endif /* SDL_VIDEO_OPENGL_ES */
/* Use GF's OpenGL ES 1.1 functions emulation */
#if defined(SDL_VIDEO_OPENGL_ES)
55
#include "../qnxgf/SDL_gf_opengles.h"
56
57
/* If GF driver is not compiled in, include some of usefull functions */
58
59
60
#if !defined(SDL_VIDEO_DRIVER_QNXGF)
#include "../qnxgf/SDL_gf_opengles.c"
#endif /* SDL_VIDEO_DRIVER_QNXGF */
61
62
63
#endif /* SDL_VIDEO_OPENGL_ES */
/* Low level device graphics driver names, which they are reporting */
64
static const Photon_DeviceCaps photon_devicename[] = {
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
/* ATI Rage 128 graphics driver (devg-ati_rage128) */
{"ati_rage128", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* Fujitsu Carmine graphics driver (devg-carmine.so) */
{"carmine", SDL_PHOTON_ACCELERATED | SDL_PHOTON_ACCELERATED_3D}
,
/* C&T graphics driver (devg-chips.so) */
{"chips", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* Fujitsu Coral graphics driver (devg-coral.so) */
{"coral", SDL_PHOTON_ACCELERATED | SDL_PHOTON_ACCELERATED_3D}
,
/* Intel integrated graphics driver (devg-extreme2.so) */
{"extreme2", SDL_PHOTON_ACCELERATED | SDL_PHOTON_ACCELERATED_3D}
,
/* Unaccelerated FB driver (devg-flat.so) */
{"flat", SDL_PHOTON_UNACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* NS Geode graphics driver (devg-geode.so) */
{"geode", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* Geode LX graphics driver (devg-geodelx.so) */
{"geodelx", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* Intel integrated graphics driver (devg-gma9xx.so) */
{"gma", SDL_PHOTON_ACCELERATED | SDL_PHOTON_ACCELERATED_3D}
,
/* Intel integrated graphics driver (devg-i810.so) */
{"i810", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* Intel integrated graphics driver (devg-i830.so) */
{"i830", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* Geode LX graphics driver (devg-lx800.so) */
{"lx800", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* Matrox Gxx graphics driver (devg-matroxg.so) */
{"matroxg", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* Intel Poulsbo graphics driver (devg-poulsbo.so) */
{"poulsbo", SDL_PHOTON_ACCELERATED | SDL_PHOTON_ACCELERATED_3D}
,
/* ATI Radeon driver (devg-radeon.so) */
{"radeon", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* ATI Rage driver (devg-rage.so) */
{"rage", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* S3 Savage graphics driver (devg-s3_savage.so) */
{"s3_savage", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* SiS630 integrated graphics driver (devg-sis630.so) */
{"sis630", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* PowerVR SGX 535 graphics driver (devg-poulsbo.so) */
{"sgx", SDL_PHOTON_ACCELERATED | SDL_PHOTON_ACCELERATED_3D}
,
/* SM Voyager GX graphics driver (devg-smi5xx.so) */
{"smi5xx", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* Silicon Motion graphics driver (devg-smi7xx.so) */
{"smi7xx", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* SVGA unaccelerated gfx driver (devg-svga.so) */
{"svga", SDL_PHOTON_UNACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* nVidia TNT graphics driver (devg-tnt.so) */
{"tnt", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* VIA integrated graphics driver (devg-tvia.so) */
{"tvia", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* VIA UniChrome graphics driver (devg-unichrome.so) */
{"unichrome", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* VESA unaccelerated gfx driver (devg-vesa.so) */
{"vesa", SDL_PHOTON_UNACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* VmWare graphics driver (devg-volari.so) */
{"vmware", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* XGI XP10 graphics driver (devg-volari.so), OpenGL 1.5 */
{"volari", SDL_PHOTON_ACCELERATED | SDL_PHOTON_UNACCELERATED_3D}
,
/* End of list */
{NULL, 0x00000000}
153
static SDL_bool photon_initialized = SDL_FALSE;
155
156
static int
photon_available(void)
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
int status;
/* Check if Photon was initialized before */
if (photon_initialized == SDL_FALSE) {
/* Initialize Photon widget library and open channel to Photon */
status = PtInit(NULL);
if (status == 0) {
photon_initialized = SDL_TRUE;
return 1;
} else {
photon_initialized = SDL_FALSE;
return 0;
}
}
return 1;
176
177
static void
photon_destroy(SDL_VideoDevice * device)
179
180
181
182
183
184
185
186
187
188
189
SDL_VideoData *phdata = (SDL_VideoData *) device->driverdata;
#if defined(SDL_VIDEO_OPENGL_ES)
if (phdata->gfinitialized != SDL_FALSE) {
gf_dev_detach(phdata->gfdev);
}
#endif /* SDL_VIDEO_OPENGL_ES */
if (device->driverdata != NULL) {
device->driverdata = NULL;
}
192
193
static SDL_VideoDevice *
photon_create(int devindex)
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
SDL_VideoDevice *device;
SDL_VideoData *phdata;
int status;
/* Check if photon could be initialized */
status = photon_available();
if (status == 0) {
/* Photon could not be used */
return NULL;
}
/* Photon agregates all video devices to one with multiple heads */
if (devindex != 0) {
/* devindex could be zero only in Photon SDL driver */
return NULL;
}
/* Initialize SDL_VideoDevice structure */
device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
if (device == NULL) {
SDL_OutOfMemory();
return NULL;
}
/* Initialize internal photon specific data */
phdata = (SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
if (phdata == NULL) {
SDL_OutOfMemory();
SDL_free(device);
return NULL;
}
device->driverdata = phdata;
/* Get all photon display devices */
phdata->avail_rids =
PdGetDevices(&phdata->rid[0], SDL_VIDEO_PHOTON_MAX_RIDS);
if (phdata->avail_rids > SDL_VIDEO_PHOTON_MAX_RIDS) {
phdata->avail_rids = SDL_VIDEO_PHOTON_MAX_RIDS;
}
#if defined(SDL_VIDEO_OPENGL_ES)
/* TODO: add real device detection versus multiple heads */
status =
gf_dev_attach(&phdata->gfdev, GF_DEVICE_INDEX(0),
&phdata->gfdev_info);
if (status != GF_ERR_OK) {
/* Do not fail right now, if GF can't be attached */
phdata->gfinitialized = SDL_FALSE;
} else {
phdata->gfinitialized = SDL_TRUE;
}
#endif /* SDL_VIDEO_OPENGL_ES */
/* Set default target device */
status = PdSetTargetDevice(NULL, phdata->rid[0]);
if (status == -1) {
SDL_SetError("Photon: Can't set default target device");
#if defined(SDL_VIDEO_OPENGL_ES)
gf_dev_detach(phdata->gfdev);
#endif /* SDL_VIDEO_OPENGL_ES */
SDL_free(phdata);
SDL_free(device);
return NULL;
}
phdata->current_device_id = 0;
/* Setup amount of available displays and current display */
device->num_displays = 0;
device->current_display = 0;
/* Set device free function */
device->free = photon_destroy;
/* Setup all functions which we can handle */
device->VideoInit = photon_videoinit;
device->VideoQuit = photon_videoquit;
device->GetDisplayModes = photon_getdisplaymodes;
device->SetDisplayMode = photon_setdisplaymode;
device->SetDisplayPalette = photon_setdisplaypalette;
device->GetDisplayPalette = photon_getdisplaypalette;
device->SetDisplayGammaRamp = photon_setdisplaygammaramp;
device->GetDisplayGammaRamp = photon_getdisplaygammaramp;
device->CreateWindow = photon_createwindow;
device->CreateWindowFrom = photon_createwindowfrom;
device->SetWindowTitle = photon_setwindowtitle;
device->SetWindowIcon = photon_setwindowicon;
device->SetWindowPosition = photon_setwindowposition;
device->SetWindowSize = photon_setwindowsize;
device->ShowWindow = photon_showwindow;
device->HideWindow = photon_hidewindow;
device->RaiseWindow = photon_raisewindow;
device->MaximizeWindow = photon_maximizewindow;
device->MinimizeWindow = photon_minimizewindow;
device->RestoreWindow = photon_restorewindow;
device->SetWindowGrab = photon_setwindowgrab;
device->DestroyWindow = photon_destroywindow;
device->GetWindowWMInfo = photon_getwindowwminfo;
device->GL_LoadLibrary = photon_gl_loadlibrary;
device->GL_GetProcAddress = photon_gl_getprocaddres;
device->GL_UnloadLibrary = photon_gl_unloadlibrary;
device->GL_CreateContext = photon_gl_createcontext;
device->GL_MakeCurrent = photon_gl_makecurrent;
device->GL_SetSwapInterval = photon_gl_setswapinterval;
device->GL_GetSwapInterval = photon_gl_getswapinterval;
device->GL_SwapWindow = photon_gl_swapwindow;
device->GL_DeleteContext = photon_gl_deletecontext;
device->PumpEvents = photon_pumpevents;
device->SuspendScreenSaver = photon_suspendscreensaver;
return device;
306
307
308
309
310
VideoBootStrap photon_bootstrap = {
"photon",
"SDL QNX Photon video driver",
photon_available,
photon_create
313
314
315
/*****************************************************************************/
/* SDL Video and Display initialization/handling functions */
/*****************************************************************************/
316
317
int
photon_videoinit(_THIS)
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
PgHWCaps_t hwcaps;
PgVideoModeInfo_t modeinfo;
int32_t status;
SDL_VideoDisplay display;
SDL_DisplayMode current_mode;
SDL_DisplayData *didata;
uint32_t it;
uint32_t jt;
char *override;
/* By default Photon do not uses swap on VSYNC */
phdata->swapinterval = 0;
for (it = 0; it < phdata->avail_rids; it++) {
didata = (SDL_DisplayData *) SDL_calloc(1, sizeof(SDL_DisplayData));
if (didata == NULL) {
/* memory allocation error */
SDL_OutOfMemory();
return -1;
}
/* Allocate two cursors with SDL_VIDEO_PHOTON_MAX_CURSOR_SIZE size */
/* and 128 bytes of spare place */
didata->cursor_size =
((SDL_VIDEO_PHOTON_MAX_CURSOR_SIZE * 4) >> 3) + 128;
didata->cursor = (PhCursorDef_t *) SDL_calloc(1, didata->cursor_size);
if (didata->cursor == NULL) {
/* memory allocation error */
SDL_OutOfMemory();
SDL_free(didata);
return -1;
}
/* Initialize GF in case of OpenGL ES support is compiled in */
#if defined(SDL_VIDEO_OPENGL_ES)
/* TODO: add real device detection versus multiple heads */
if (phdata->gfinitialized == SDL_TRUE) {
status =
gf_display_attach(&didata->display, phdata->gfdev, it,
&didata->display_info);
if (status != GF_ERR_OK) {
/* Just shutdown GF, do not fail */
gf_dev_detach(phdata->gfdev);
phdata->gfinitialized = SDL_FALSE;
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
}
#endif /* SDL_VIDEO_OPENGL_ES */
/* Check if current device is not the same as target */
if (phdata->current_device_id != it) {
/* Set target device as default for Pd and Pg functions */
status = PdSetTargetDevice(NULL, phdata->rid[it]);
if (status != 0) {
SDL_SetError("Photon: Can't set default target device\n");
SDL_free(didata->cursor);
SDL_free(didata);
return -1;
}
phdata->current_device_id = it;
}
/* Store device id */
didata->device_id = it;
/* Query photon about graphics hardware caps and current video mode */
status = PgGetGraphicsHWCaps(&hwcaps);
if (status != 0) {
387
PhRect_t extent;
388
PdOffscreenContext_t* curctx;
389
390
391
/* If error happens, this also could mean, that photon is working */
/* under custom (not listed by photon) video mode */
392
status=PhWindowQueryVisible(Ph_QUERY_GRAPHICS, 0, 0, &extent);
393
394
395
396
397
398
if (status != 0) {
SDL_SetError("Photon: Can't get graphics driver region");
SDL_free(didata->cursor);
SDL_free(didata);
return -1;
}
399
400
modeinfo.width=extent.lr.x+1;
modeinfo.height=extent.lr.y+1;
401
/* Hardcode 60Hz, as the base refresh rate frequency */
402
hwcaps.current_rrate=60;
403
/* Clear current video driver name, no way to get it somehow */
404
hwcaps.chip_name[0]=0x00;
405
406
407
/* Create offscreen context from video memory, which is currently */
/* displayed on the screen */
408
409
410
curctx=PdCreateOffscreenContext(0, 0, 0, Pg_OSC_MAIN_DISPLAY);
if (curctx==NULL)
{
411
412
413
414
415
416
SDL_SetError("Photon: Can't get display area capabilities");
SDL_free(didata->cursor);
SDL_free(didata);
return -1;
}
/* Retrieve current bpp */
417
modeinfo.type=curctx->format;
418
419
420
421
422
PhDCRelease(curctx);
} else {
/* Get current video mode details */
status = PgGetVideoModeInfo(hwcaps.current_video_mode, &modeinfo);
if (status != 0) {
423
SDL_SetError("Photon: Can't get current video mode information");
424
425
426
427
SDL_free(didata->cursor);
SDL_free(didata);
return -1;
}
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
}
/* Setup current desktop mode for SDL */
SDL_zero(current_mode);
current_mode.w = modeinfo.width;
current_mode.h = modeinfo.height;
current_mode.refresh_rate = hwcaps.current_rrate;
current_mode.format = photon_image_to_sdl_pixelformat(modeinfo.type);
current_mode.driverdata = NULL;
/* Copy device name */
SDL_strlcpy(didata->description, hwcaps.chip_name,
SDL_VIDEO_PHOTON_DEVICENAME_MAX - 1);
/* Search device capabilities and possible workarounds */
jt = 0;
do {
if (photon_devicename[jt].name == NULL) {
break;
}
if (SDL_strncmp
(photon_devicename[jt].name, didata->description,
SDL_strlen(photon_devicename[jt].name)) == 0) {
didata->caps = photon_devicename[jt].caps;
}
jt++;
} while (1);
/* Initialize display structure */
SDL_zero(display);
display.desktop_mode = current_mode;
display.current_mode = current_mode;
display.driverdata = didata;
didata->current_mode = current_mode;
SDL_AddVideoDisplay(&display);
/* Check for environment variables which could override some SDL settings */
didata->custom_refresh = 0;
override = SDL_getenv("SDL_VIDEO_PHOTON_REFRESH_RATE");
if (override != NULL) {
if (SDL_sscanf(override, "%u", &didata->custom_refresh) != 1) {
didata->custom_refresh = 0;
}
}
}
/* Add photon input devices */
status = photon_addinputdevices(_this);
if (status != 0) {
/* SDL error is set by photon_addinputdevices() function */
return -1;
}
/* Add photon renderer to SDL */
photon_addrenderdriver(_this);
/* video has been initialized successfully */
return 1;
488
489
void
photon_videoquit(_THIS)
491
492
493
494
495
496
497
498
499
500
501
502
503
SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
SDL_DisplayData *didata;
uint32_t it;
/* SDL will restore our desktop mode on exit */
for (it = 0; it < _this->num_displays; it++) {
didata = _this->displays[it].driverdata;
if (didata->cursor != NULL) {
SDL_free(didata->cursor);
}
#if defined(SDL_VIDEO_OPENGL_ES)
if (phdata->gfinitialized == SDL_TRUE) {
504
505
/* Detach GF display */
gf_display_detach(didata->display);
506
507
508
}
#endif /* SDL_VIDEO_OPENGL_ES */
}
511
512
void
photon_getdisplaymodes(_THIS)
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
SDL_DisplayData *didata =
(SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
SDL_DisplayMode mode;
PgVideoModes_t modes;
PgVideoModeInfo_t modeinfo;
int32_t status;
uint32_t it;
uint32_t jt;
/* Check if current device is not the same as target */
if (phdata->current_device_id != didata->device_id) {
/* Set target device as default for Pd and Pg functions */
status = PdSetTargetDevice(NULL, phdata->rid[didata->device_id]);
if (status != 0) {
SDL_SetError("Photon: Can't set default target device\n");
return;
}
phdata->current_device_id = didata->device_id;
}
/* Get array of available video modes */
status = PgGetVideoModeList(&modes);
if (status != 0) {
SDL_SetError("Photon: Can't get video mode list");
return;
}
for (it = 0; it < modes.num_modes; it++) {
status = PgGetVideoModeInfo(modes.modes[it], &modeinfo);
if (status != 0) {
/* Maybe something wrong with this particular mode, skip it */
continue;
}
jt = 0;
do {
if (modeinfo.refresh_rates[jt] != 0) {
mode.w = modeinfo.width;
mode.h = modeinfo.height;
mode.refresh_rate = modeinfo.refresh_rates[jt];
mode.format = photon_image_to_sdl_pixelformat(modeinfo.type);
mode.driverdata = NULL;
SDL_AddDisplayMode(_this->current_display, &mode);
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
/* If mode is RGBA8888, add the same mode as RGBx888 */
if (modeinfo.type == Pg_IMAGE_DIRECT_8888) {
mode.w = modeinfo.width;
mode.h = modeinfo.height;
mode.refresh_rate = modeinfo.refresh_rates[jt];
mode.format = SDL_PIXELFORMAT_RGB888;
mode.driverdata = NULL;
SDL_AddDisplayMode(_this->current_display, &mode);
}
/* If mode is RGBA1555, add the same mode as RGBx555 */
if (modeinfo.type == Pg_IMAGE_DIRECT_1555) {
mode.w = modeinfo.width;
mode.h = modeinfo.height;
mode.refresh_rate = modeinfo.refresh_rates[jt];
mode.format = SDL_PIXELFORMAT_RGB555;
mode.driverdata = NULL;
SDL_AddDisplayMode(_this->current_display, &mode);
}
579
580
581
582
583
584
jt++;
} else {
break;
}
} while (1);
}
587
588
int
photon_setdisplaymode(_THIS, SDL_DisplayMode * mode)
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
SDL_DisplayData *didata =
(SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
PgVideoModes_t modes;
PgVideoModeInfo_t modeinfo;
PgDisplaySettings_t modesettings;
uint32_t refresh_rate = 0;
int32_t status;
uint32_t it;
/* Check if current device is not the same as target */
if (phdata->current_device_id != didata->device_id) {
/* Set target device as default for Pd and Pg functions */
status = PdSetTargetDevice(NULL, phdata->rid[didata->device_id]);
if (status != 0) {
SDL_SetError("Photon: Can't set default target device\n");
return;
}
phdata->current_device_id = didata->device_id;
}
/* Get array of available video modes */
status = PgGetVideoModeList(&modes);
if (status != 0) {
SDL_SetError("Photon: Can't get video mode list");
return;
}
/* Current display dimension and bpp are no more valid */
didata->current_mode.format = SDL_PIXELFORMAT_UNKNOWN;
didata->current_mode.w = 0;
didata->current_mode.h = 0;
/* Check if custom refresh rate requested */
if (didata->custom_refresh != 0) {
refresh_rate = didata->custom_refresh;
} else {
refresh_rate = mode->refresh_rate;
}
/* Check if SDL GF driver needs to find appropriate refresh rate itself */
if (refresh_rate == 0) {
SDL_DisplayMode tempmode;
/* Clear display mode structure */
SDL_memset(&tempmode, 0x00, sizeof(SDL_DisplayMode));
tempmode.refresh_rate = 0x0000FFFF;
/* Check if window width and height matches one of our modes */
for (it = 0; it < SDL_CurrentDisplay.num_display_modes; it++) {
if ((SDL_CurrentDisplay.display_modes[it].w == mode->w) &&
(SDL_CurrentDisplay.display_modes[it].h == mode->h) &&
(SDL_CurrentDisplay.display_modes[it].format == mode->format))
644
645
646
647
648
/* Find the lowest refresh rate available */
if (tempmode.refresh_rate >
SDL_CurrentDisplay.display_modes[it].refresh_rate) {
tempmode = SDL_CurrentDisplay.display_modes[it];
}
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
}
if (tempmode.refresh_rate != 0x0000FFFF) {
refresh_rate = tempmode.refresh_rate;
} else {
/* Let video driver decide what to do with this */
refresh_rate = 0;
}
}
/* Check if SDL GF driver needs to check custom refresh rate */
if (didata->custom_refresh != 0) {
SDL_DisplayMode tempmode;
/* Clear display mode structure */
SDL_memset(&tempmode, 0x00, sizeof(SDL_DisplayMode));
tempmode.refresh_rate = 0x0000FFFF;
/* Check if window width and height matches one of our modes */
for (it = 0; it < SDL_CurrentDisplay.num_display_modes; it++) {
if ((SDL_CurrentDisplay.display_modes[it].w == mode->w) &&
(SDL_CurrentDisplay.display_modes[it].h == mode->h) &&
(SDL_CurrentDisplay.display_modes[it].format == mode->format))
673
674
675
676
677
678
679
680
681
682
683
684
/* Find the lowest refresh rate available */
if (tempmode.refresh_rate >
SDL_CurrentDisplay.display_modes[it].refresh_rate) {
tempmode = SDL_CurrentDisplay.display_modes[it];
}
/* Check if requested refresh rate found */
if (refresh_rate ==
SDL_CurrentDisplay.display_modes[it].refresh_rate) {
tempmode = SDL_CurrentDisplay.display_modes[it];
break;
}
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
}
if (tempmode.refresh_rate != 0x0000FFFF) {
refresh_rate = tempmode.refresh_rate;
} else {
/* Let video driver decide what to do with this */
refresh_rate = 0;
}
}
/* Find photon's video mode number */
for (it = 0; it < modes.num_modes; it++) {
uint32_t jt;
uint32_t foundrefresh;
/* Get current video mode details */
status = PgGetVideoModeInfo(modes.modes[it], &modeinfo);
if (status != 0) {
/* Maybe something wrong with this particular mode, skip it */
continue;
}
if ((modeinfo.width == mode->w) && (modeinfo.height == mode->h) &&
(modeinfo.type == photon_sdl_to_image_pixelformat(mode->format)))
{
/* Mode is found, find requested refresh rate, this case is for */
/* video drivers, which provide non-generic video modes. */
jt = 0;
foundrefresh = 0;
do {
if (modeinfo.refresh_rates[jt] != 0) {
if (modeinfo.refresh_rates[jt] == refresh_rate) {
foundrefresh = 1;
break;
}
jt++;
} else {
break;
}
} while (1);
if (foundrefresh != 0) {
break;
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
}
}
/* Check if video mode has not been found */
if (it == modes.num_modes) {
SDL_SetError("Photon: Can't find appropriate video mode");
return -1;
}
/* Fill mode settings */
modesettings.flags = 0x00000000;
modesettings.mode = modes.modes[it];
modesettings.refresh = refresh_rate;
/* Finally set new video mode */
status = PgSetVideoMode(&modesettings);
if (status != 0) {
SDL_SetError("Photon: Can't set new video mode");
return -1;
}
/* Store new video mode parameters */
didata->current_mode = *mode;
didata->current_mode.refresh_rate = refresh_rate;
return 0;
755
756
int
photon_setdisplaypalette(_THIS, SDL_Palette * palette)
758
759
SDL_DisplayData *didata =
(SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
761
762
/* Setting display palette operation has been failed */
return -1;
765
766
int
photon_getdisplaypalette(_THIS, SDL_Palette * palette)
768
769
SDL_DisplayData *didata =
(SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
771
772
/* Getting display palette operation has been failed */
return -1;
775
776
int
photon_setdisplaygammaramp(_THIS, Uint16 * ramp)
778
779
SDL_DisplayData *didata =
(SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
781
782
/* Setting display gamma ramp operation has been failed */
return -1;
785
786
int
photon_getdisplaygammaramp(_THIS, Uint16 * ramp)
788
789
/* Getting display gamma ramp operation has been failed */
return -1;
792
793
int
photon_createwindow(_THIS, SDL_Window * window)
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
SDL_DisplayData *didata =
(SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
SDL_WindowData *wdata;
PhDim_t winsize;
PhPoint_t winpos;
PtArg_t winargs[32];
uint32_t winargc = 0;
int32_t status;
PhRegion_t wregion;
/* Allocate window internal data */
wdata = (SDL_WindowData *) SDL_calloc(1, sizeof(SDL_WindowData));
if (wdata == NULL) {
SDL_OutOfMemory();
return -1;
}
/* Setup driver data for this window */
window->driverdata = wdata;
/* Set initial window title */
if (window->title != NULL) {
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_TITLE, window->title, 0);
} else {
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_TITLE, "", 0);
}
/* TODO: handle SDL_WINDOW_INPUT_GRABBED */
/* Disable default window filling on redraw */
PtSetArg(&winargs[winargc++], Pt_ARG_BASIC_FLAGS, Pt_TRUE,
Pt_BASIC_PREVENT_FILL);
/* Reset default managed flags to disabled state */
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_FALSE,
Ph_WM_APP_DEF_MANAGED);
/* Set which events we will not handle, let WM to handle them */
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_TRUE,
Ph_WM_BACKDROP | Ph_WM_TOFRONT | Ph_WM_COLLAPSE | Ph_WM_FFRONT |
Ph_WM_FOCUS | Ph_WM_HELP | Ph_WM_HIDE | Ph_WM_MAX |
Ph_WM_MENU | Ph_WM_MOVE | Ph_WM_RESTORE | Ph_WM_TASKBAR |
Ph_WM_TOBACK | Ph_WM_RESIZE);
/* Reset default notify events to disable */
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_FALSE,
Ph_WM_RESIZE | Ph_WM_CLOSE | Ph_WM_HELP);
/* Set which events we will handle */
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_TRUE,
Ph_WM_CLOSE | Ph_WM_COLLAPSE | Ph_WM_FOCUS | Ph_WM_MAX |
Ph_WM_MOVE | Ph_WM_RESIZE | Ph_WM_RESTORE | Ph_WM_HIDE);
/* Borderless window can't be resizeable */
if ((window->flags & SDL_WINDOW_BORDERLESS) == SDL_WINDOW_BORDERLESS) {
window->flags &= ~(SDL_WINDOW_RESIZABLE);
}
/* Reset all default decorations */
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_FALSE,
Ph_WM_APP_DEF_RENDER);
/* Fullscreen window has its own decorations */
if ((window->flags & SDL_WINDOW_FULLSCREEN) == SDL_WINDOW_FULLSCREEN) {
window->flags |= SDL_WINDOW_BORDERLESS;
window->flags &= ~(SDL_WINDOW_RESIZABLE);
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_TRUE,
Ph_WM_RENDER_CLOSE | Ph_WM_RENDER_TITLE);
} else {
uint32_t decorations =
Ph_WM_RENDER_CLOSE | Ph_WM_RENDER_MENU | Ph_WM_RENDER_MIN |
Ph_WM_RENDER_TITLE | Ph_WM_RENDER_MOVE;
if ((window->flags & SDL_WINDOW_RESIZABLE) == SDL_WINDOW_RESIZABLE) {
decorations |=
Ph_WM_RENDER_BORDER | Ph_WM_RENDER_RESIZE | Ph_WM_RENDER_MAX;
PtSetArg(&winargs[winargc++], Pt_ARG_RESIZE_FLAGS, Pt_TRUE,
Pt_RESIZE_XY_AS_REQUIRED);
}
if ((window->flags & SDL_WINDOW_BORDERLESS) != SDL_WINDOW_BORDERLESS) {
decorations |= Ph_WM_RENDER_BORDER;
}
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_RENDER_FLAGS, Pt_TRUE,
decorations);
}
/* Set initial window state */
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_STATE, Pt_FALSE,
Ph_WM_STATE_ISFOCUS);
PtSetArg(&winargs[winargc++], Pt_ARG_WINDOW_STATE, Pt_TRUE,
Ph_WM_STATE_ISALTKEY);
/* Set window dimension */
winsize.w = window->w;
winsize.h = window->h;
PtSetArg(&winargs[winargc++], Pt_ARG_DIM, &winsize, 0);
/* Check if upper level requests WM to position window */
if ((window->x == SDL_WINDOWPOS_UNDEFINED)
&& (window->y == SDL_WINDOWPOS_UNDEFINED)) {
/* Do not set widget position, let WM to set it */
} else {
if (window->x == SDL_WINDOWPOS_UNDEFINED) {
window->x = 0;
}
if (window->y == SDL_WINDOWPOS_UNDEFINED) {
window->y = 0;
}
if (window->x == SDL_WINDOWPOS_CENTERED) {
window->x = (didata->current_mode.w - window->w) / 2;
}
if (window->y == SDL_WINDOWPOS_CENTERED) {
window->y = (didata->current_mode.h - window->h) / 2;
}
/* Now set window position */
winpos.x = window->x;
winpos.y = window->y;
PtSetArg(&winargs[winargc++], Pt_ARG_POS, &winpos, 0);
}
/* Check if window must support OpenGL ES rendering */
if ((window->flags & SDL_WINDOW_OPENGL) == SDL_WINDOW_OPENGL) {
#if defined(SDL_VIDEO_OPENGL_ES)
EGLBoolean initstatus;
/* Check if GF was initialized correctly */
if (phdata->gfinitialized == SDL_FALSE) {
SDL_SetError
("Photon: GF initialization failed, no OpenGL ES support");
924
return -1;
925
}
927
928
/* Mark this window as OpenGL ES compatible */
wdata->uses_gles = SDL_TRUE;
930
931
932
933
934
935
/* Create connection to OpenGL ES */
if (phdata->egldisplay == EGL_NO_DISPLAY) {
phdata->egldisplay = eglGetDisplay(phdata->gfdev);
if (phdata->egldisplay == EGL_NO_DISPLAY) {
SDL_SetError("Photon: Can't get connection to OpenGL ES");
return -1;
936
937
938
}
/* Initialize OpenGL ES library, ignore EGL version */
939
940
941
942
initstatus = eglInitialize(phdata->egldisplay, NULL, NULL);
if (initstatus != EGL_TRUE) {
SDL_SetError("Photon: Can't init OpenGL ES library");
return -1;
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
}
/* Increment GL ES reference count usage */
phdata->egl_refcount++;
#else
SDL_SetError("Photon: OpenGL ES support is not compiled in");
return -1;
#endif /* SDL_VIDEO_OPENGL_ES */
}
/* Finally create the window */
wdata->window = PtCreateWidget(PtWindow, Pt_NO_PARENT, winargc, winargs);
if (wdata->window == NULL) {
SDL_SetError("Photon: Can't create window widget");
SDL_free(wdata);
return -1;
}
/* Show widget */
status = PtRealizeWidget(wdata->window);
if (status != 0) {
SDL_SetError("Photon: Can't realize window widget");
PtDestroyWidget(wdata->window);
SDL_free(wdata);
return;
}
/* Just created SDL window always gets focus */
window->flags |= SDL_WINDOW_INPUT_FOCUS;
/* Create window-specific cursor after creation */
if (didata->cursor_visible == SDL_TRUE) {
/* Setup cursor type. shape and default color */
PtSetResource(wdata->window, Pt_ARG_CURSOR_COLOR,
Ph_CURSOR_DEFAULT_COLOR, 0);
PtSetResource(wdata->window, Pt_ARG_CURSOR_TYPE, Ph_CURSOR_BITMAP, 0);
PtSetResource(wdata->window, Pt_ARG_BITMAP_CURSOR, didata->cursor,
didata->cursor->hdr.len + sizeof(PhRegionDataHdr_t));
} else {
PtSetResource(wdata->window, Pt_ARG_CURSOR_TYPE, Ph_CURSOR_NONE, 0);
}
/* Set window region sensible to mouse motion events */
status =
PhRegionQuery(PtWidgetRid(wdata->window), &wregion, NULL, NULL, 0);
if (status != 0) {
SDL_SetError
("Photon: Can't set region sensivity to mouse motion events");
PtDestroyWidget(wdata->window);
SDL_free(wdata);
return -1;
}
wregion.events_sense |=
Ph_EV_PTR_MOTION_BUTTON | Ph_EV_PTR_MOTION_NOBUTTON;
status = PhRegionChange(Ph_REGION_EV_SENSE, 0, &wregion, NULL, NULL);
if (status < 0) {
SDL_SetError("Photon: Can't change region sensivity");